Leonidaslion is a popular and prolific Supernaturalslash writer. In 2011, she deleted her Livejournal blog and moved her fan fiction to AO3. The archive indicates that, as of February 2012, she has written 178 stories:

In October 2010, she participated in a spn roundtable "Ask The Author" session and explained her writing style: "I’m interested in the psychology of horror, interpersonal relationships under stress, and the incredibly resilient strength of the human spirit." She listed her first fanfic as Boredom: Or How Sam Winchester Avoids Fratricide and her first Wincest/Slash story as Coyote Beautiful.